Air Duct, Lower

The genuine BMW Lower Air Duct (51647419347) is compatible with BMW 2 Series G42 Coupé (2020 onwards), BMW 3 Series G20 Saloon (from 2017 onwards) and BMW 3 Series G21 Touring (from 2018 onwards).

This genuine BMW OEM lower air duct forms an important part of the vehicle’s front cooling system, directing airflow towards the radiator and surrounding cooling components. It helps maintain efficient airflow, supports stable engine operating temperatures and contributes to the overall performance and efficiency of the cooling system while preserving the original factory airflow characteristics.

Part number 51647419347 is specified for compatible BMW models without the M Aerodynamics Package (S715A=No) and without CO₂ equipment (S1CBA=No). It fits directly to the original mounting locations, ensuring accurate alignment with the front bumper assembly and surrounding cooling components while maintaining the original fit and finish expected from a genuine BMW part.

As a genuine BMW Original Equipment Manufacturer (OEM) component, this lower air duct delivers the precise fit, quality and durability expected from the original manufacturer. It is an ideal choice for maintaining your BMW’s original cooling performance, aerodynamic efficiency and factory-standard build quality.

Part 51647419347 is identified as number 04 in the diagram.

For vehicles:

• with CO2 equipment S1CBA=No
• with M Aerodynamics package S715A=No